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Observation of the shift of frequency chirp in two section distributed feedback semiconductor lasers

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3 Author(s)
Feng, J. ; Thomas J. Watson Lab. of Appl. Phys., California Inst. of Technol., Pasadena, CA, USA ; Chen, T.R. ; Yariv, A.

We report here on the control of frequency chirp of a two section InGaAsP-InP DFB laser by nonuniform current injection and the achievement of blue-shift optical signals from the two section DFB laser under direct current modulation. Through a measurement of the time-averaged power spectrum of the laser at 5-GHz modulation with fixed optical modulation index, the changing frequency chirp is demonstrated for various distributions of longitudinal photon density

Published in:

Lasers and Electro-Optics Society Annual Meeting, 1995. 8th Annual Meeting Conference Proceedings, Volume 1., IEEE  (Volume:2 )

Date of Conference:

30 Oct-2 Nov 1995